Bosch Spline Rotary Hammer Bits

Bosch spline rotary hammer bits are carbide-tipped and fit Bosch as well as other spline-drive hammers.
Ultimate drilling in the toughest concrete with long service life. Fits all spline-drive hammers. These hammer drill bits come with either
standard cutter heads, Wild Bore and
Thru-Hole Wild Bore multi-cutter X-heads.

Wild-Bore Multi-Cutter X-Heads
4 cutters, used on bits 5/8" and larger only. This head design operates with less noise than standard cutter
heads and produces about 60% less vibration while lasting about 50% longer. This highly efficient design
reduces hammer amperage draw and "gnaws" its way through some types of re-bar.